P

Inventor

ARAI TOMIO

JP8 patents
⚠️ This page may combine multiple inventors who share the name “ARAI TOMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KONISHIROKU PHOTO IND

4 patents
US4833506AMay 23, 1989

Method and apparatus for controlling toner density of copying device

KONISHIROKU PHOTO IND28 citations91
US4801980AJan 31, 1989

Toner density control apparatus

KONISHIROKU PHOTO IND43 citations91
US4473221ASep 25, 1984

Paper feeding roller

KONISHIROKU PHOTO IND15 citations72
US4361397ANov 30, 1982

Cleaning apparatus for an electrostatic recording machine

KONISHIROKU PHOTO IND5 citations62

FUJI STANDARD RES INC

3 patents
US4663021AMay 5, 1987

Process of producing carbonaceous pitch

FUJI STANDARD RES INC25 citations89
US4591424AMay 27, 1986

Method of preparing carbonaceous pitch

FUJI STANDARD RES INC9 citations73
US4554148ANov 19, 1985

Process for the preparation of carbon fibers

FUJI STANDARD RES INC18 citations72

FUJI OIL CO LTD

1 patent
US4487686ADec 11, 1984

Process of thermally cracking heavy hydrocarbon oils

FUJI OIL CO LTD14 citations71